package com.nkzy.service;

import com.nkzy.pojo.User;

import java.util.List;

public interface UserService {
    int insertUser(User user);
    int deleteUserById(Long id);
    int updateUser(User user);
    User selectUserById(Long id);
    List<User> selectAllUsers();
    List<User> selectUsersByIds(List<Long> ids);
}